84344720

素因数分解:

$2^4\times 5^1\times {\mathrm{1054309}}^1$

素因数の和:1054322

約数の個数: 20

約数和(自身を含む): 196101660

約数和(自身を除く): 111756940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1054309, 2108618, 4217236, 5271545, 8434472, 10543090, 16868944, 21086180, 42172360, 84344720]

約数ペア:

[(1, 84344720), (2, 42172360), (4, 21086180), (5, 16868944), (8, 10543090), (10, 8434472), (16, 5271545), (20, 4217236), (40, 2108618), (80, 1054309)]